You get to scry to set up miracles, and should your opponents choose to mill you out, the high mana value average on your cards might well cause them to lose a huge chunk of life
Planechase - September 4, 2009 Archenemy - June 18, 2010 Planechase 2012 edition - June 1, 2012 Planechase Anthology - November 25, 2016 Archenemy: Nicol Bolas - June 16, 2017 Explorers of Ixalan - November 24, 2017 Ravnica: Clue Edition - February 23, 2024 Magic: The Gathering sets FAQ Above are all the sets, right back to the very beginnings of Magic: The Gathering, but if you're new to the game, some more info might be in order
If you have the mana (or even better, proliferate), you can create a large creature and continue to pump it up, and you'll refill your hand when it dies
The general principle applies: the more stores you're monitoring, the more likely you are to catch a deal that others miss